NCCER Electrical Module 2 Level 2 Motors:
Theory and Application EXAM Questions &
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2026
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1 How DC motors operate? 2 Periodic duty: (Definition)
3 ___ use dynamic braking. 4 Commentator: (Definition)
Don't know?
Terms in this set (74)
, How DC motors operate? Magnetic lines of force are continuous and
always form closed loops; Magnetic lines of
force do not cross.
Armature: (Definition) The rotating windings of a DC motor.
The ____ is a movable electromagnet Armature
located between the poles of
another fixed permanent (field)
magnet as shown.
A twisting force called ______ must be Torque
developed. _____ is produced by
mounting a loop in a fixed magnetic
field and as long as the fields of the
magnet and armature interact.
Commentator: (Definition) A device used on electric motors or generators
to maintain a unidirectional current.
In the neutral plane, no ____ is Torque
produced and the rotation of the
armature should stop
A _____ is produced by the fields Magnetic field
poles, and a loop of wire in the
armature turns and cuts this
magnetic field.
CEMF Counter electromotive force (CEMF)
Horsepower: (Definition) The rated output capacity of the motor. It is
based on breakdown torque, which is the
maximum torque a motor will develop without an
abrupt drop in speed.
Theory and Application EXAM Questions &
Answers | Latest Already Graded A+ UPDATE
2026
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Forklifts
Choose an answer
1 How DC motors operate? 2 Periodic duty: (Definition)
3 ___ use dynamic braking. 4 Commentator: (Definition)
Don't know?
Terms in this set (74)
, How DC motors operate? Magnetic lines of force are continuous and
always form closed loops; Magnetic lines of
force do not cross.
Armature: (Definition) The rotating windings of a DC motor.
The ____ is a movable electromagnet Armature
located between the poles of
another fixed permanent (field)
magnet as shown.
A twisting force called ______ must be Torque
developed. _____ is produced by
mounting a loop in a fixed magnetic
field and as long as the fields of the
magnet and armature interact.
Commentator: (Definition) A device used on electric motors or generators
to maintain a unidirectional current.
In the neutral plane, no ____ is Torque
produced and the rotation of the
armature should stop
A _____ is produced by the fields Magnetic field
poles, and a loop of wire in the
armature turns and cuts this
magnetic field.
CEMF Counter electromotive force (CEMF)
Horsepower: (Definition) The rated output capacity of the motor. It is
based on breakdown torque, which is the
maximum torque a motor will develop without an
abrupt drop in speed.
